Vehicle air outlet rubber sponge and preparation method thereof

Belonging to the technical field of automobile interior decoration, the invention relates to a vehicle air outlet rubber sponge and a preparation method thereof. The vehicle air outlet rubber sponge is special in that it is prepared from the following raw materials by weight: 80-120 parts of an ethylene propylene diene monomer, 0.8-7 parts of a foaming agent, 10-40 parts of a plasticizer, 2-12 parts of a vulcanizing agent, 50-120 parts of filler, 0.8-6 parts of an anti-aging agent RD, and 0.5-4 parts of a chain extender. The vehicle air outlet rubber sponge provided by the invention has high performance cost ratio, excellent aging resistance, water resistance and oil resistance, also is light and soft, flame retardant and heat insulating, has high tensile strength, can effectively achieve the effects of air outlet sealing and protection, and especially has the characteristics of no peculiar smell and no toxicity, thus being more conducive to environmental protection.